TRV30B - Volume attenuator with 5 positions for 100V lines for flush mounting. 30 W transformer - Box ref 503 for flush mounting. 24 Vdc relay bypass.
Type: Volume controller with 24Vdc by-pass relay
Output voltage: 100V
Dimensions (W x H x D): Rectangular, for box ref 503
Notes: Max power: 30W Controls: 5 positions